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Title: Holographic reconstruction of AdS exchanges from crossing symmetry

Journal Article · · Journal of High Energy Physics (Online)
 [1];  [2];  [3]
  1. Univ. of Oxford (United Kingdom). Mathematical Inst.
  2. Harvard Univ., Cambridge, MA (United States). Center for the Fundamental Laws of Nature
  3. Princeton Univ., NJ (United States). Dept. of Physics

Motivated by AdS/CFT, we address the following outstanding question in large N conformal field theory: given the appearance of a single-trace operator in the O x O OPE of a scalar primary O, what is its total contribution to the vacuum four-point function (OOOO) as dictated by crossing symmetry? We solve this problem in 4d conformal field theories at leading order in 1/N. Viewed holographically, this provides a field theory reconstruction of crossing-symmetric, four-point exchange amplitudes in AdS5. Our solution takes the form of a resummation of the large spin solution to the crossing equations, supplemented by corrections at finite spin, required by crossing. The method can be applied to the exchange of operators of arbitrary twist τ and spin s, although it vastly simplifies for even-integer twist, where we give explicit results. The output is the set of OPE data for the exchange of all double-trace operators [OO]n,ℓ. We find that the double-trace anomalous dimensions γ n,ℓ are negative, monotonic and convex functions of ℓ, for all n and all ℓ > s. This constitutes a holographic signature of bulk causality and classical dynamics of even-spin fields. We also find that the “derivative relation” between double-trace anomalous dimensions and OPE coefficients does not hold in general, and derive the explicit form of the deviation in several cases. Finally, we study large n limits of γ n,ℓ, relevant for the Regge and bulk-point regimes.

Research Organization:
Princeton Univ., NJ (United States); Univ. of Oxford (United Kingdom); Harvard Univ., Cambridge, MA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP); European Research Council (ERC)
Grant/Contract Number:
FG02-91ER40671; 306260
OSTI ID:
1425403
Journal Information:
Journal of High Energy Physics (Online), Vol. 2017, Issue 8; ISSN 1029-8479
Publisher:
Springer BerlinCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 55 works
Citation information provided by
Web of Science

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Cited By (23)

Unmixing supergravity journal February 2018
The analytic functional bootstrap. Part II. Natural bases for the crossing equation journal February 2019
p-adic Mellin amplitudes journal April 2019
Recursion relations in Witten diagrams and conformal partial waves journal May 2019
On Mellin amplitudes in SCFTs with eight supercharges journal July 2018
On superconformal four-point Mellin amplitudes in dimension d > 2 journal August 2018
Gravitational S-matrix from CFT dispersion relations journal December 2018
Recursion relations in p  -adic Mellin Space journal June 2019
Loop Corrections to Supergravity on AdS 5 × S 5 journal October 2017
Bulk Phase Shift, CFT Regge Limit and Einstein Gravity text January 2017
Conformal Bootstrap in the Regge Limit text January 2017
Quantum Gravity from Conformal Field Theory text January 2017
Unmixing Supergravity text January 2017
How to Succeed at Holographic Correlators Without Really Trying text January 2017
Beyond $a=c$: Gravitational Couplings to Matter and the Stress Tensor OPE text January 2017
Double-Trace Deformations of Conformal Correlations text January 2018
The Conformal Bootstrap at Finite Temperature text January 2018
On Mellin Amplitudes in SCFTs with Eight Supercharges text January 2018
Light-ray operators in conformal field theory text January 2018
The Conformal Bootstrap: Theory, Numerical Techniques, and Applications text January 2018
Anomalous Dimensions from Crossing Kernels text January 2018
Polyakov-Mellin Bootstrap for AdS loops text January 2018
Recursion Relations in Witten Diagrams and Conformal Partial Waves text January 2018

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